Features:  Innovative design: bowling body type, beautiful appearance, vertical stand, will give you different feelings of song.  Exquisite craftsmanship: Metal microphones make of excellent metallic materials, innovative in wireless connection and sound effects, high quality gray appearance, dazzling and exquisite, good feeling.  More intelligent, noise reduction without : high-fidelity metallic microphone, intelligent noise reduction, high-sensitivity pickup, clear voice, delicate.  Long wait and long battery life: long battery life, durable sing song get rid of plug problems, sing along with you.  With light effects for the whole public: microphone contains different colorful lights, and the music changes like a concert, giving you an immersive experience.  Frequency range:100Hz-10 kHz;  Battery capacity:1200 mAh;  Charging time:3 hours;  Usage time:5 hours;  Charge source:DC5V / A;  Bluetooth protocol:4.2;  Environment:LED lighting;  Rab:16 cores (internal magnet);  Reverb mode:echo echo reverberation;  Voice channel:variable sound;  Speaker output:3 W;  Length:22.5cm/8.85inch;     Package Included: 1 x Microphone;  1 x Manual;  1 x Charging Cable